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From 11/03/2008 15,32 #164 P 010/033 <br /> Piping information continued- <br /> Check <br /> Box Code <br /> HSC <br /> 25290A(ext) Piping compatible with material intended to be stored. <br /> 25290.2(c)(1) <br /> P 8 <br /> 23 CCR Design and construction ofpiping approved by independent testing organization(e.g.UL). <br /> 2631(b) <br /> Pi in ,includingvent lines,sloped toward tanks with minimum 1/4 inch slo a er 1 foot of run, <br /> HSG <br /> 25290.)(k) <br /> 23290.2,;&6) Vapor recovery,fill riser,and vent line piping are secondarily contained. <br /> G. OVERSPILL/OVERFILL PREVENTION: <br /> Check <br /> Box Code <br /> Section <br /> 23 CCR Overspill containment having minimum capacity of 5 gallons provided at each tank fill location. <br /> 2e35(b) Manufacturer Model z <br /> Approved overfill prevention device providers at each tank fill location. <br /> Choose One of the following methods: <br /> Alert the transfer operator when the tank is 90 percent full by restricting the flow into the tank or <br /> triggering an audible visual alarm <br /> Restrict delivery of flow to the tank at least 30minutes before the tank overfills,provided the <br /> restriction occurs when the tank is filled to no more than 95 percent capacity;and activate an audible <br /> 23 CCR alarm at least five minutes before the tank overfills <br /> 2G35(bH2) <br /> Provide positive shut-off flow to the tank when the tank is filled to no more than 95 percent of <br /> capacity. <br /> Provide positive shut-off of flow to the tank so that none of the fittings located on the top of the <br /> tank are exposed to product due to overfilling. <br /> Manufacturer 6 f1W Model — kticO,C <br /> H. CORROSION PROTECTION: <br /> Check <br /> Box Code <br /> Section <br /> Fiberglass reinforced plastic(FRP) <br /> Piping corrosion protection: Steel with cathodic protection or impressed current <br /> 23 CCR <br /> 2636(h) Steel isolated from contact with backfill <br /> FRP or equivalent non-metallic exterior coatings or coverings <br /> Tank corrosion protection: Sacrificial Anode <br /> 23 CCR <br /> 26.15(m)(2) Steel tank with field installed cathodic protection or impressed <br /> Current <br /> ® Tie-downs,when used,constructed ofnon-corrosive material or coated steel. <br /> Revised 07/31/08 7 <br />